(19)

(11)

EP 3 665 147 A1

(12)

(43) Date of publication: 17.06.2020 Bulletin 2020/25 (21) Application number: 18740904.0 (22) Date of filing: 20.06.2018

(51) International Patent Classification (IPC):  C07C 59/185(2006.01) C07C 59/347(2006.01) C07C 51/44(2006.01) C07D 307/50(2006.01) (86) International application number: PCT/IB2018/054540 (87) International publication number: WO 2018/235012 (27.12.2018 Gazette 2018/52)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 21.06.2017 IT 201700068744 (71) Applicant: Bio-On S.p.A. 40016 San Giorgio Di Piano (BO) (IT)	(72) Inventors: CONTI, Fabio 40016 San Giorgio Di Piano (BO) (IT) BEGOTTI, Simone 40016 San Giorgio Di Piano (BO) (IT) IPPOLITO, Feliciano 40016 San Giorgio Di Piano (BO) (IT) (74) Representative: Bottero, Carlo  Barzanò & Zanardo Milano S.p.A. Via Borgonuovo, 10 20121 Milano 20121 Milano (IT)